body{
  margin: auto;
}
/*LOGO区域
********/
header{
  width: 960px;
  margin: auto;
  padding: auto;
}
header b{
   color: green;
}
h1{
  width: 98px;
  float: left;
  margin: 0;
}
.text{
  float: left;
  line-height: 3.5;
  font-size: 12px;
  color: #bdc3c7;
}
.logo{
   float: left;
   width: 60%;
}
header{
  padding: 0 5%;
  height: 80px;
  border-top: 4px solid #000;
}
header nav{
     float: left;
     width: 40%;
}
header nav ul{
    list-style: none;
}
header nav ul li{
    float: left;
    width: 20%;
    font-size: 14px;
    color:#bdc3c7;
    text-align: center;
    padding:5px;
}
.active{
  border-radius: 2px;
  background: #1abc9c;
}
.active a{
  color: #fff;
}
nav a{
   color:#bdc3c7;
   border:0;
   text-decoration: none;
}
.content{
  width: 960px;
  margin:auto;
}
.arctile{
  margin-top: 10px;
  background:  #34495e;
}
ul{
  list-style:none;
}
li{
  float:left;
}
